I should be able to file for free
The codes from TurboTax CD/Download will not work with TurboTax Online and vice-versa. You can get a refund for the one you can't use - this TurboTax FAQ tells you how: https://turbotax.community.intuit.ca/turbotax-support/en-ca/help-article/taxation/get-refund-turbotax-product/L0GFPCPaC_CA_en_CA?uid=lvbmn2ph